401166022 has 4 divisors (see below), whose sum is σ = 601749036. Its totient is φ = 200583010.

The previous prime is 401166013. The next prime is 401166037. The reversal of 401166022 is 220661104.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 401165984 and 401166002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100291504 + ... + 100291507.

It is an arithmetic number, because the mean of its divisors is an integer number (150437259).

Almost surely, 2^401166022 is an apocalyptic number.

401166022 is a deficient number, since it is larger than the sum of its proper divisors (200583014).

401166022 is a wasteful number, since it uses less digits than its factorization.

401166022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200583013.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 401166022 is about 20029.1293370431. The cubic root of 401166022 is about 737.5215488102.

The spelling of 401166022 in words is "four hundred one million, one hundred sixty-six thousand, twenty-two".